From 8dacfb0091cdcc7f2ff2a3e8d0ce96fb7321a92e Mon Sep 17 00:00:00 2001
From: Simon John <git@the-jedi.co.uk>
Date: Sat, 8 Feb 2014 01:45:44 +0000
Subject: [PATCH] added "gpio" to the list of isp's that don't have a port

(the gpio programmer type is used on the raspberry pi to upload using
the gpio spi pins via a sysfs interface, with a modified avrdude)

partially fixes issue #165
---
 Arduino.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Arduino.mk b/Arduino.mk
index 7c06094..02efc4b 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -1075,7 +1075,7 @@ endif
 
 AVRDUDE_ISP_OPTS = -c $(ISP_PROG) -b $(AVRDUDE_ISP_BAUDRATE)
 
-ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), usbasp usbtiny))
+ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), usbasp usbtiny gpio))
     AVRDUDE_ISP_OPTS += -P $(call get_isp_port)
 endif